Industry & Technology -line art (i4) Civil Engineering Bridge

Industry & Technology -line art (i4) Civil Engineering Bridge

Industry & technology -line art Civil Engineering Draw Bridge, 18th century

Industry & Technology -line art (v4) Civil Engineering A 19th century German engraving of a sluice-gate system for a dam.

Industry & Technology -line art (v4) Civil Engineering A 19th century German engraving of a sluice-gate system for a dam.

Industry & Technology -line art (v4) Civil Engineering A 19th century German engraving of a sluice-gate system for a dam.

Industry & Technology -line art (v4) Civil Engineering A 19th century German engraving (plan view) of a sluice-gate system for a dam.

Industry & Technology -line art (b4) Civil Engineering A steel engraving from a series of early Victorian concept drawings of a tunnel beneath the River Thames in London, England. subterranean cavern, entrance, stairs, high, deep, tunnel, underground, Vi

Industry & Technology -line art (x4) Civil Engineering Canal lock - water system Lock systems are a means of connecting waterways at different elevations by canals. The technology to move these massive amounts of water was complex and required ingenuity

Industry & Technology -line art (x4) Civil Engineering A walkway along the canal Lock systems are a means of connecting waterways at different elevations by canals. The technology to move these massive amounts of water was complex and required ingenuity

Industry & Technology -line art (v4) Civil Engineering Illustration A 19th century German engraving of an aqueduct carrying water from a distant reservoir to a city. This construction is modeled on the ancient Roman aqueducts.

Industry & Technology -line art (x4) Civil Engineering Lock doors on a small canal Lock systems are a means of connecting waterways at different elevations by canals. The technology to move these massive amounts of water was complex and required ingenui

Industry & Technology -line art (d4) Civil engineering